@article{TM_1986_173_a2,
     author = {Ya. S. Bugrov},
     title = {Linear methods of summability of {Fourier} series and fractional difference operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {32--37},
     publisher = {mathdoc},
     volume = {173},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1986_173_a2/}
}